return {
    lsp = {
        setup_handlers = {
            -- add custom handler
            rust_analyzer = function(_, opts) require("rust-tools").setup { server = opts } end
        },
    },
    plugins = {
        "simrat39/rust-tools.nvim", -- add lsp plugin
        {
            "williamboman/mason-lspconfig.nvim",
            opts = {
                ensure_installed = { "rust_analyzer" },
            },
        },
    },
}
